... PU, 3.Plastic Coated with PU, 4.Rubber Coating PU Coating: Steel Coated with PU, Bearing Coated With PU, ... equipment miniature wheels etc. 4. Applications: Used to PU roller, printing roller, UV roller, rotary machine, adhesive roller, roller coating ... , textiles, wood, plastic, machinery. Folding machine roller, roller coating machine, stripping wheel, granulator rubber roller, conveyor roller, glue ...